Cable Connection Problems
Table
Problem | Possible Causes | Possible Solutions |
Link Status LED indicates that | ■ One or both of the ATM ports forming | ■ Ensure that both ports are enabled. |
there is a problem with a link. | the connection are turned off (disabled). |
|
Far End Status LED indicates | ■ The cable at either end of the link has | ■ Ensure that the cable is securely connected to the |
that there is a problem with the | ||
ATM Module’s transmit | become loose or accidentally | port at both ends of the link. |
disconnected. |
| |
connection. |
| |
|
|
■The two connectors at one end of the fiber cable may be plugged into the port the wrong way around.
■The fiber optic is caught under a heavy object or become bent out of shape.
■The cable connector may be dirty.
■Check each end of the cable to ensure that each of the fiber connectors is correctly connected. You may need to reverse the TX and RX cable connectors at one end of the connection.
■Remove any obstructions and straighten out any kinks in the cable.
■If you suspect that the fiber optic connector is dirty, refer to “Cleaning Dirty Fiber Optic Connectors” in this chapter.
■The cable may be broken.
■The connector itself is physically damaged.
■Replace the cable, and check the LED again.
■Contact your repair center for advice. For more details, refer to Appendix E.
